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Lu, Shanshan; Bi, Hualin; Liu, Xiufeng – Chemistry Education Research and Practice, 2019
Students have various conceptions of electrolytes in learning chemistry. The aim of this study is to identify 10th grade students' understanding of the electrolyte concept by using a phenomenographic method. Eight students, whose abilities were at different levels, were selected and interviewed. The findings show that four distinctive categories…
Descriptors: Grade 10, High School Students, Comprehension, Scientific Concepts
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Deng, Yang; Wang, Houxiong – Chemistry Education Research and Practice, 2017
Attending to practice has become a significant topic in science education today. As scientific argumentation is a typical form of scientific practice as well as an important educational practice, more and more attention has been paid to it by science education researchers. Evaluating students' competence in scientific argumentation is one of the…
Descriptors: Foreign Countries, Science Education, Persuasive Discourse, Teaching Methods
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Lu, Shanshan; Bi, Hualin – Chemistry Education Research and Practice, 2016
To assess students' conceptual understanding levels and diagnose alternative frameworks of the electrolyte concept, a measurement instrument was developed using the Rasch model. This paper reports the use of the measurement instrument to assess 559 students from grade 10 to grade 12 in two cities. The results provided both diagnostic and summative…
Descriptors: Scientific Concepts, Scientific Literacy, Concept Teaching, Knowledge Level
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Zhou, Qing; Wang, Tingting; Zheng, Qi – Chemistry Education Research and Practice, 2015
The purpose of this study was primarily to explore high school students' cognitive structures and to identify their learning difficulties on ethanoic acid through the flow map method. The subjects of this study were 30 grade 1 students from Dong Yuan Road Senior High School in Xi'an, China. The interviews were conducted a week after the students…
Descriptors: Foreign Countries, High School Students, Secondary School Science, Chemistry